function autocron()
 {
     $enable = isset($_POST['enable']) ? $_POST['enable'] : false;
     if ($enable !== false) {
         SendPress_Option::set('autocron', 'yes');
         SendPress_Option::set('allow_tracking', 'yes');
         SendPress_Cron::use_iron_cron();
         $email = get_option('admin_email');
         $url = "http://api.sendpress.com/senddiscountcode/" . md5($_SERVER['SERVER_NAME'] . "|" . $email) . "/" . $email;
         wp_remote_get($url);
     } else {
         SendPress_Option::set('autocron', 'no');
     }
     SendPress::add_cron();
     exit;
 }